Papers relating to early naval career, 1872-1907 including midshipman's log books; papers relating to service as Director of Naval Intelligence, 1909-1912, Commander-in-Chief, East Indies, 1911-1918, commander of Royal Naval War College, Portsmouth, 1913-1914, commander of 3 Battle Fleet and Channel Fleet, 1914-1915 and Commander-in-Chief, Plymouth, 1916-1918; correspondence with Adm Sir Alexander Duff, 1917-1918, AF Lord Fisher, 1909-1918 and AF Lord Jellicoe, 1913-1918; personal papers and correspondence, 1865-1932; miscellaneous papers, 1901-1911; correspondence between the family and researchers using the papers, 1935-1979.